SaraShawNicholasMDFACOG

General Obstetrics, Maternal & Fetal Medicine/High Risk

Perinatologist

Dr. Nicholas is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
Connect with colleagues in the same hospital or clinic.
Read the latest clinical news, personalized to your specialty.

Sidney Kimmel Medical College at Thomas Jefferson University/duPont Hospital for ChildrenFellowship, Neonatal-Perinatal Medicine, 2010 - 2013
Washington University/B-JH/SLCH ConsortiumResidency, Obstetrics and Gynecology, 2006 - 2010
Medical University of South CarolinaClass of 2006

PubMed

First-Trimester Cell-Free DNA Fetal Fraction and Birth Weight in Twin Pregnancies.
Molly R Siegel, Kaitlyn James, Bryann Bromley, Nathanael C Koelper, Stephen T Chasen
American Journal of Perinatology. 2024-10-01
Clinical implications of crown-rump length discordance at 11 to 14 weeks in dichorionic twins.
Matthew K Janssen, Lisa D Levine, Bryann Bromley, Stephen T Chasen, Melissa L Russo
American Journal of Obstetrics and Gynecology. 2024-01-01
5 citations
Cell-free DNA screening for trisomy 21 in twin pregnancy: a large multicenter cohort study.
Lorraine Dugoff, Nathanael C Koelper, Stephen T Chasen, Melissa L Russo, Ashley S Roman
American Journal of Obstetrics and Gynecology. 2023-10-01